果树休眠期长达3～4个月,正是防治果树病虫害的最佳时期,不仅省工、省药,而且防治效果较好。搞好果树休眠期病虫害的防治一直关系到果树翌年树体的强弱、结果量的多少,品质的优劣,并能将果树虫源、病菌降到最低限度,可为翌年果树生长打下良好基础。1清园危害果树的许多病虫、病原菌在园内枯枝落叶和树体杂草中越冬。果树落叶后,及时清理果园,剪除树上的病虫枝、枯枝、虫苞、僵果 Dormant period of fruit trees up to 3 to 4 months, it is the best time for the prevention and control of pests and diseases of fruit trees, not only labor, medicine, and better control. The management of pests and diseases during the dormant period of fruit trees has always been related to the strength and weakness of the tree body, the amount of the fruit and the quality of the fruit trees next year, and can minimize the insect pests and germs, which can lay a good foundation for the next year’s fruit tree growth . 1 Qingyuan harm many pests and diseases of fruit trees, pathogenic bacteria in the garden litter and tree weeds in winter. After deciduous fruit trees, clean up the orchards in time, cut off pests and branches on the tree, dead branches, insect bract, fruit